Finding the Fourth Proportional to 155,654.79, 213,402.52 and 152,817.23

Step by Step Solution

1. Step 1: Write the proportion equation
   155,654.79 : 213,402.52 = 152,817.23 : x
2. Step 2: Convert to fraction form
   155,654.79/213,402.52 = 152,817.23/x
3. Step 3: Cross multiply
   155,654.79x = 213,402.52 × 152,817.23
4. Step 4: Simplify right side
   155,654.79x = 32,611,581,446.22
5. Step 5: Solve for x
   x = 32,611,581,446.22/155,654.79
6. Step 6: Final answer
   x = 209,512.23